#region license
/*
 * Copyright (C) 2007 CchenSoft.com
 * 
 * This library is free software; you can redistribute it and/or modify it 
 * under the terms of the GNU Lesser General Public License 2.1 or later, as
 * published by the Free Software Foundation. See the included License.txt
 * or http://www.gnu.org/copyleft/lesser.html for details.
 * 
 * Author: Billy Zhang
 */
#endregion

using System;
using System.Collections;

using CchenSoft.Workflow.Config;
using CchenSoft.Workflow.Spi;

namespace CchenSoft.Workflow.Util
{
    public class UserGroupCondition : ICondition
    {

        public bool PassesCondition(IDictionary transientVars, IDictionary args)
        {
            try
            {
                IWorkflowContext context = (IWorkflowContext)transientVars["context"];
                IUserManager um = context.UserManager;
                if (um != null)
                {
                    return um.IsUserInGroup(context.Caller, (string)args["group"]);
                }
                return true;
            }
            catch (Exception e)
            {
                return false;
            }
        }
    }
}
